Web of Science Core Collection

Web of Science Core Collection is our premier resource on the platform and the world’s most trusted citation index for scientific and scholarly research. These resources will help you to unlock the value of this truly unique data resource.

What makes the Core Collection special?

The Value of True Citation Indexing on the Path to Discovery

The Journal Selection Process

The Indexes

Science Citation Index Expanded (SCIE)

1900 – Present

Science Citation Index Expanded is a multidisciplinary index to the journal literature of the sciences. It fully covers major journals across 178 scientific disciplines and includes all cited references captured from indexed articles.

Social Sciences Citation Index (SSCI)

1900 – Present

Social Sciences Citation Index is a multidisciplinary index to the journal literature of the social sciences. It fully covers journals across 58 social sciences disciplines and includes all cited references captured from indexed articles.

Arts & Humanities Citation Index (AHCI)

1975 – Present

Arts & Humanities Citation Index is a multidisciplinary index to the journal literature of the arts and humanities across 28 arts & humanities disciplines.

Emerging Sources Citation Index (ESCI)

2005 – Present

Search across over 7,800 of the world’s highest-quality journals across 254 disciplines. More than 3 million records and 74 million cited references date back from 2005 to present.

Conference Proceedings Citation Index (CPCI)

1990 – Present

The Conference Proceedings citation indexes include the published literature of the most significant conferences, symposia, seminars, colloquia, workshops, and conventions in a wide range of disciplines. They cover journal and book-based proceedings in science, social sciences, and humanities across 256 disciplines. Use these indexes to track emerging ideas and new research in specific fields.

Book Citation Index (BKCI)

2005 – Present

The Book Citation Index is a multidisciplinary index of monographs and books-in-series in the sciences and social sciences. It includes the published scholarly literature of books and book chapters selected by Web of Science Group editorial staff.

Book citations are seamlessly integrated with other citation indexes in Web of Science Core Collection to provide a more complete citation count of an author’s published work.

Here are some materials to help you get started.

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Web of Science Citation Sources

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